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Multi-purpose environment awareness approach for single line laser scanner in a small rotorcraft UA

Krause, Stefan (2011) Multi-purpose environment awareness approach for single line laser scanner in a small rotorcraft UA. In: Journal of Intelligent and Robotic Systems. Springer. ICUAS 2011, 24.-27. Mai 2011, Denver, USA. ISBN (DOI) 10.1007/s10846-011-9572-6.

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Offizielle URL: http://www.springerlink.com/openurl.asp?genre=article&id=doi:10.1007/s10846-011-9572-6

Kurzfassung

The work presents an environment awareness approach for a small rotorcraft unmanned aircraft (UA) which operates at low height using a single line laser scanner which enables a height estimation with a concurrent detection of ground fixed obstacles. The approach is suitable for small UA which are not able to carry complex and heavy 3D laser scanner mountings having additional drives or mirrors. It works without using external reference systems like DGPS. The approach was especially developed for a mission of the “International Micro Air Vehicle Conference” outdoor contest, where it is the aim to fly through a 6x6m artificial gate. The sensor data processing enables the height estimation above ground as well as the detection of obstacles in order to meet the mission’s goal. The height estimation enables a near-ground flight to prevent a collision with a top boundary of the gate, and a terrain following. The obstacle detection senses the pillars of the gate and finds a safe way through the narrow gate passage. The development and optimisation of the mounting and the sensor processing, as well as the validation, was realized under operational conditions with manual remote control (RC) helicopter flights and virtual flights at a simulation environment. The results of the experiments show that with this approach the mission can be fulfilled as a reliable ground estimation and object detection is ensured.

Dokumentart:Konferenzbeitrag (Vortrag, Paper)
Titel:Multi-purpose environment awareness approach for single line laser scanner in a small rotorcraft UA
Autoren:
AutorenInstitution oder E-Mail-Adresse der Autoren
Krause, Stefanstefan.krause@dlr.de
Datum:Mai 2011
Erschienen in:Journal of Intelligent and Robotic Systems
Referierte Publikation:Ja
In ISI Web of Science:Ja
Verlag:Springer
ISBN:(DOI) 10.1007/s10846-011-9572-6
Status:veröffentlicht
Stichwörter:laser scanner, UA, unmanned aircraft, environment detection
Veranstaltungstitel:ICUAS 2011
Veranstaltungsort:Denver, USA
Veranstaltungsart:internationale Konferenz
Veranstaltungsdatum:24.-27. Mai 2011
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Luftfahrt
HGF - Programmthema:Drehflügler
DLR - Schwerpunkt:Luftfahrt
DLR - Forschungsgebiet:L RR - Drehflüglerforschung
DLR - Teilgebiet (Projekt, Vorhaben):L - Der intelligente Drehflügler
Standort: Braunschweig
Institute & Einrichtungen:Institut für Flugsystemtechnik > Unbemannte Luftfahrzeuge
Hinterlegt von: Stefan Krause
Hinterlegt am:21 Sep 2011 15:51
Letzte Änderung:21 Sep 2011 15:51

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